From Callander head west, take Invertrossachs road to avoid the centre of town, head along loch venacher and loch achray and at ben a'an trail head continue straight towards loch katrine.

Follow the loch to it's west end and round to stronachlachar, head up hill and turn left at tee junction. After a short climb descend fast past loch chon to kinlochard and aberfoyle (rough bumpy roads here).

Straight through the village, left at the circular and continue to port of menteith, left at junction after this and over the steep braes o' greenock, followed by fast descent to callander again.